diff --git a/x-pack/test/api_integration/apis/ml/data_frame_analytics/delete.ts b/x-pack/test/api_integration/apis/ml/data_frame_analytics/delete.ts
index a04e801083fbd..2a39bc14fbb7f 100644
--- a/x-pack/test/api_integration/apis/ml/data_frame_analytics/delete.ts
+++ b/x-pack/test/api_integration/apis/ml/data_frame_analytics/delete.ts
@@ -35,7 +35,7 @@ export default ({ getService }: FtrProviderContext) => {
       includes: [],
       excludes: [],
     },
-    model_memory_limit: '350mb',
+    model_memory_limit: '60mb',
   };
 
   const testJobConfigs: Array<DeepPartial<DataFrameAnalyticsConfig>> = [
diff --git a/x-pack/test/api_integration/apis/ml/data_frame_analytics/get.ts b/x-pack/test/api_integration/apis/ml/data_frame_analytics/get.ts
index c5761c5dab4cb..d3e4788ee41da 100644
--- a/x-pack/test/api_integration/apis/ml/data_frame_analytics/get.ts
+++ b/x-pack/test/api_integration/apis/ml/data_frame_analytics/get.ts
@@ -44,7 +44,7 @@ export default ({ getService }: FtrProviderContext) => {
           includes: [],
           excludes: [],
         },
-        model_memory_limit: '350mb',
+        model_memory_limit: '60mb',
       },
       {
         id: `${jobId}_2`,
@@ -70,7 +70,7 @@ export default ({ getService }: FtrProviderContext) => {
           includes: [],
           excludes: [],
         },
-        model_memory_limit: '350mb',
+        model_memory_limit: '60mb',
       },
     ];
 
diff --git a/x-pack/test/functional/apps/ml/data_frame_analytics/classification_creation.ts b/x-pack/test/functional/apps/ml/data_frame_analytics/classification_creation.ts
index cf7f6c95ced86..578d7eada554e 100644
--- a/x-pack/test/functional/apps/ml/data_frame_analytics/classification_creation.ts
+++ b/x-pack/test/functional/apps/ml/data_frame_analytics/classification_creation.ts
@@ -37,7 +37,7 @@ export default function ({ getService }: FtrProviderContext) {
         },
         dependentVariable: 'y',
         trainingPercent: '20',
-        modelMemory: '200mb',
+        modelMemory: '60mb',
         createIndexPattern: true,
         expected: {
           row: {
diff --git a/x-pack/test/functional/apps/ml/data_frame_analytics/cloning.ts b/x-pack/test/functional/apps/ml/data_frame_analytics/cloning.ts
index fcc4836c0f103..357ea36213521 100644
--- a/x-pack/test/functional/apps/ml/data_frame_analytics/cloning.ts
+++ b/x-pack/test/functional/apps/ml/data_frame_analytics/cloning.ts
@@ -53,7 +53,7 @@ export default function ({ getService }: FtrProviderContext) {
               includes: [],
               excludes: [],
             },
-            model_memory_limit: '350mb',
+            model_memory_limit: '60mb',
             allow_lazy_start: false,
           },
         },
@@ -83,7 +83,7 @@ export default function ({ getService }: FtrProviderContext) {
               includes: [],
               excludes: [],
             },
-            model_memory_limit: '55mb',
+            model_memory_limit: '5mb',
           },
         },
         {
@@ -115,7 +115,7 @@ export default function ({ getService }: FtrProviderContext) {
               includes: [],
               excludes: [],
             },
-            model_memory_limit: '105mb',
+            model_memory_limit: '20mb',
           },
         },
       ];
diff --git a/x-pack/test/functional/apps/ml/data_frame_analytics/outlier_detection_creation.ts b/x-pack/test/functional/apps/ml/data_frame_analytics/outlier_detection_creation.ts
index 03746cc9ce658..582b19f5e18a8 100644
--- a/x-pack/test/functional/apps/ml/data_frame_analytics/outlier_detection_creation.ts
+++ b/x-pack/test/functional/apps/ml/data_frame_analytics/outlier_detection_creation.ts
@@ -34,7 +34,7 @@ export default function ({ getService }: FtrProviderContext) {
         get destinationIndex(): string {
           return `user-${this.jobId}`;
         },
-        modelMemory: '55mb',
+        modelMemory: '5mb',
         createIndexPattern: true,
         expected: {
           row: {
diff --git a/x-pack/test/functional/apps/ml/data_frame_analytics/regression_creation.ts b/x-pack/test/functional/apps/ml/data_frame_analytics/regression_creation.ts
index a0a24495b42ef..fea87e70eb014 100644
--- a/x-pack/test/functional/apps/ml/data_frame_analytics/regression_creation.ts
+++ b/x-pack/test/functional/apps/ml/data_frame_analytics/regression_creation.ts
@@ -36,7 +36,7 @@ export default function ({ getService }: FtrProviderContext) {
         },
         dependentVariable: 'stab',
         trainingPercent: '20',
-        modelMemory: '105mb',
+        modelMemory: '20mb',
         createIndexPattern: true,
         expected: {
           row: {